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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef MEDIA_CAST_AUDIO_SENDER_AUDIO_ENCODER_H_ | |
| 6 #define MEDIA_CAST_AUDIO_SENDER_AUDIO_ENCODER_H_ | |
| 7 | |
| 8 #include "base/memory/ref_counted.h" | |
| 9 #include "base/memory/scoped_ptr.h" | |
| 10 #include "base/threading/thread_checker.h" | |
| 11 #include "media/base/audio_bus.h" | |
| 12 #include "media/cast/cast_environment.h" | |
| 13 | |
| 14 namespace base { | |
| 15 class TimeTicks; | |
| 16 } | |
| 17 | |
| 18 namespace media { | |
| 19 namespace cast { | |
| 20 | |
| 21 class AudioEncoder { | |
| 22 public: | |
| 23 typedef base::Callback<void(scoped_ptr<transport::EncodedFrame>)> | |
| 24 FrameEncodedCallback; | |
| 25 | |
| 26 AudioEncoder(const scoped_refptr<CastEnvironment>& cast_environment, | |
| 27 int num_channels, | |
| 28 int sampling_rate, | |
| 29 int bitrate, | |
| 30 transport::Codec codec, | |
| 31 const FrameEncodedCallback& frame_encoded_callback); | |
| 32 virtual ~AudioEncoder(); | |
| 33 | |
| 34 CastInitializationStatus InitializationResult() const; | |
| 35 | |
| 36 void InsertAudio(scoped_ptr<AudioBus> audio_bus, | |
| 37 const base::TimeTicks& recorded_time); | |
| 38 | |
| 39 private: | |
| 40 class ImplBase; | |
| 41 class OpusImpl; | |
| 42 class Pcm16Impl; | |
| 43 | |
| 44 const scoped_refptr<CastEnvironment> cast_environment_; | |
| 45 scoped_refptr<ImplBase> impl_; | |
| 46 | |
| 47 // Used to ensure only one thread invokes InsertAudio(). | |
| 48 base::ThreadChecker insert_thread_checker_; | |
| 49 | |
| 50 DISALLOW_COPY_AND_ASSIGN(AudioEncoder); | |
| 51 }; | |
| 52 | |
| 53 } // namespace cast | |
| 54 } // namespace media | |
| 55 | |
| 56 #endif // MEDIA_CAST_AUDIO_SENDER_AUDIO_ENCODER_H_ | |
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